Harken 7415.15S MKIV Hydraulic Jib Reefing & Furling - Manual (Page 20)

20 MKIV Hydraulic Unit 5
Loosen foil clamp screws at top of
lower unit assembly.
Slide assembly onto foils.
Tip: Face clamp downward so it
clears foil notches during installation.
Assembly Bottom Foil/Connectors/Halyard Swivel/Lower Unit to Foil
Slide halyard swivel onto foil above feeder
window. The halyard swivel is symmetrical.